/**
 * @mainpage Lbl
 * @tableofcontents
 *
 * @section abstract Abstract
 * Tool to resolve cross-references in *roff documents.
 *
 * @section help Help
 * See the man page.
 *
 * @section globals Globals
 * See externs.h
 *
 * @section files Files
 * <TABLE>
 * <TR><TH>File</TH><TH>Description</TH></TR>
 * <TR><TD>tempfile</TD><TD>Output of the 1st pass, input to the 2nd (see tempfile below</TD></TR>
 * </TABLE>
 *
 * @subsection tempfile tempfile
 * This contains the output of the 1st pass, the *roff document with
 * placeholders for the eventual cross-references.
 */
